From owner-freebsd-hackers Thu Nov 12 10:03:13 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA03691 for freebsd-hackers-outgoing; Thu, 12 Nov 1998 10:03:13 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from labinfo.iet.unipi.it (labinfo.iet.unipi.it [131.114.9.5]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id KAA03488 for ; Thu, 12 Nov 1998 10:00:16 -0800 (PST) (envelope-from luigi@labinfo.iet.unipi.it) Received: from localhost (luigi@localhost) by labinfo.iet.unipi.it (8.6.5/8.6.5) id RAA09782; Thu, 12 Nov 1998 17:00:13 +0100 From: Luigi Rizzo Message-Id: <199811121600.RAA09782@labinfo.iet.unipi.it> Subject: Re: Timer Granularity To: s0k9955@unix.tamu.edu (Shafia Kausar) Date: Thu, 12 Nov 1998 17:00:12 +0100 (MET) Cc: mike@smith.net.au, freebsd-hackers@FreeBSD.ORG, shafiak@ee.tamu.edu In-Reply-To: from "Shafia Kausar" at Nov 12, 98 11:17:21 am X-Mailer: ELM [version 2.4 PL23] Content-Type: text Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > I need a kernel clock of granularity 1ms or less, for some experiments. > Which version of FreeBsd supports this granularity, other than the 3.0 > version? > > There is a mention of the resolution depending on the clock > sources in use. Which source gives me the best resolution?? settin HZ=1000 or more in the kernel config file should do the job (if you go too high you might start losing ticks...) luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message